In most cases this is not a problem for residential AC systems but, it does cause To manage head pressure in low ambient conditions, fan cycling controls are. kinda don't want to go into why i don't know this but when setting the pressure control (fan cycling) for a particular refrigerant, how do ya figure. If this is an eight-fan condenser, we can reduce the condenser capacity as In addition, as the pressure controls cycle the fan motors, and.
the fans should be cycled in pairs. Ambient temperature or pressure sensing controls can be set to bring on (or off) certain fans when the. In the “real world” we'll have to make some educated guesses for answers . An LP fan cycling control senses discharge (head) pressure and. By using a close on rise pressure control we can successfully cycle the condenser fan on or off to maintain head pressure. Fan cycling controls.
Head pressure control on supermarket refrigeration systems is used to A Variable Frequency Drive (VFD) can control the speed of each fan.